Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Nov 3, 2025
@derek-m this is from my estimated house heat loss based on room by room assessment @ 10 degrees. However these figures just don't represent real worl...
@derek-m its basically a real world heat loss calculation / EPC - I could work our heat loss per average ambient by keeping a log
@derek-m trying to understand what 11kw means. If the house is 70m2 it seems a lot. I used 17kw yesterday to achieve the same results, but my house is...
@kev-m whats the size of your house?
@kev-m yes that's the whole house. I do have a little CT clamp meter on the HP, so I can see what its drawing. But its not recorded, I just look in as...
@kev-m It'll be a mix of hot water (for the showers), my wife's hair dryer, washing machine going on etc. This measures power in 5 min intervals, so i...
@derek-m there is a bit of cycling on the system due to the super mild weather (ambient was 13 overnight). However its very wet today, so interesting ...
Ran through the night with a COP of 4.2 - Lost some heat downstairs though, the temperature dropped to 20. So I've adjusted my curve 1 degree upwards;...
@jeff I think we'll end up with a system based on weather curves from heat loss calcs. I dont see why its not possible given we know the size of heat ...
room temperature hit 21.5 again today, so trimmed the weather comp at the bottom end a little. Its not exactly sunny, so solar gain should be negligib...
Checked the filter today and it was pretty much totally clean - so I think the gunk is now cleaned out. The system is basically silent now as well, wh...
@rv3 is your weather compensation turned on? That would be step 1
SPONSORS
Degrees of Separation
Latest Posts
-
From what I can gather, Freedom has not gone into admin...
By Mars , 2 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
A good analysis with which I agree
By JamesPa , 7 hours ago
-
RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok Well, I can use such terms as HMRC...
By Toodles , 8 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I'd picked up that there was a leak coming from around ...
By Sheriff Fatman , 12 hours ago
-
RE: Who's your electricity provider and what's your tariff?
Great info. Thank you. Regards Pete
By peterackstraw , 12 hours ago
-
-
@trebor12345 Try opening the settings window and then ‘...
By Toodles , 17 hours ago
-
RE: Microgeneration Certification Scheme (MCS)
@jamespa A cynical view but, I fear that it is a fair ...
By Toodles , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 4 days ago
-
RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 4 days ago
-
RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 4 days ago
-
RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 4 days ago
-
RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 4 days ago
-
I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 4 days ago
-
@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 4 days ago
SPONSORS
